]> git.baikalelectronics.ru Git - kernel.git/commit
[PATCH] dm snapshot: allow zero chunk_size
authorMark McLoughlin <markmc@redhat.com>
Tue, 3 Oct 2006 08:15:25 +0000 (01:15 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Tue, 3 Oct 2006 15:04:14 +0000 (08:04 -0700)
commita105d9f42c9a3766e598f4b58dc49de9164fdbd6
tree658140b966d78f4709de10cd03e0bfdade6bc13e
parent77fbe5ce9b2874c043ada5c5a622f1b5295a2fef
[PATCH] dm snapshot: allow zero chunk_size

The chunk size of snapshots cannot be changed so it is redundant to require it
as a parameter when activating an existing snapshot.  Allow a value of zero in
this case and ignore it.  For a new snapshot, use a default value if zero is
specified.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
drivers/md/dm-exception-store.c
drivers/md/dm-snap.c
drivers/md/dm-snap.h